Sleeve for a strap



FIG. 1 is a perspective view of an ornamental sleeve for a strap, showing my new design in a typical environment;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left and right elevational view thereof; and,

FIG. 5 is a right and left elevational view thereof.

The broken line showing of a strap in FIG. 1 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for an ornamental sleeve for a strap, as shown and described. 